Can be used with secondary powering,
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This review is from: Dynamode USB 2.0 SATA External Housing for 2.5 inch HDD (Electronics)
Good for any SATA-connected 2.5 magnetic or solid state. Y-style USB-lead means data-trxfer and power can come from different sources (to clarify: 5v only, but probably a few hundred mA.)
Stylish and tough - great.